Fix Scroller
Merge remote-tracking branch 'upstream/master'
delete obsolete Scroller.hx, replace with TileFiller.hx and ScrollableTileFiller.hx
Adding SimpleScrollableTileFiller and sample

Add ScrollableTileFiller and SimpleScrollableTileFiller
Add sample to show how to use
Merge remote-tracking branch 'upstream/dev' into dev
Merge pull request #36 from Ynk33/master

Remove Scroller and add TileFiller